| // Copyright (c) 2021, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| import 'dart:async'; |
| |
| import 'package:analysis_server/src/provisional/completion/dart/completion_dart.dart'; |
| import 'package:analysis_server/src/services/completion/dart/completion_manager.dart'; |
| import 'package:analysis_server/src/services/completion/dart/extension_member_contributor.dart'; |
| import 'package:analysis_server/src/services/completion/dart/local_library_contributor.dart'; |
| import 'package:analysis_server/src/services/completion/dart/suggestion_builder.dart'; |
| import 'package:analyzer/dart/element/element.dart'; |
| import 'package:analyzer/src/dart/analysis/file_state_filter.dart'; |
| |
| /// A contributor of suggestions from not yet imported libraries. |
| class NotImportedContributor extends DartCompletionContributor { |
| final CompletionBudget budget; |
| final NotImportedSuggestions additionalData; |
| |
| NotImportedContributor( |
| DartCompletionRequest request, |
| SuggestionBuilder builder, |
| this.budget, |
| this.additionalData, |
| ) : super(request, builder); |
| |
| @override |
| Future<void> computeSuggestions() async { |
| var analysisDriver = request.analysisContext.driver; |
| |
| var fsState = analysisDriver.fsState; |
| var filter = FileStateFilter( |
| fsState.getFileForPath(request.path), |
| ); |
| |
| try { |
| await analysisDriver.discoverAvailableFiles().timeout(budget.left); |
| } on TimeoutException { |
| additionalData.isIncomplete = true; |
| return; |
| } |
| |
| // Use single instance to track getter / setter pairs. |
| var extensionContributor = ExtensionMemberContributor(request, builder); |
| |
| var knownFiles = fsState.knownFiles.toList(); |
| for (var file in knownFiles) { |
| if (budget.isEmpty) { |
| additionalData.isIncomplete = true; |
| return; |
| } |
| |
| if (!filter.shouldInclude(file)) { |
| continue; |
| } |
| |
| var element = analysisDriver.getLibraryByFile(file); |
| if (element == null) { |
| continue; |
| } |
| |
| var exportNamespace = element.exportNamespace; |
| var exportElements = exportNamespace.definedNames.values.toList(); |
| |
| builder.laterReplacesEarlier = false; |
| builder.suggestionAdded = (suggestion) { |
| additionalData.map[suggestion] = file.uri; |
| }; |
| |
| if (request.includeIdentifiers) { |
| _buildSuggestions(exportElements); |
| } |
| |
| extensionContributor.addExtensions( |
| exportElements.whereType<ExtensionElement>().toList(), |
| ); |
| } |
| |
| builder.laterReplacesEarlier = true; |
| builder.suggestionAdded = null; |
| } |
| |
| void _buildSuggestions(List<Element> elements) { |
| var visitor = LibraryElementSuggestionBuilder(request, builder); |
| for (var element in elements) { |
| element.accept(visitor); |
| } |
| } |
| } |